commission statements that went out on saturday evening about these new sanctions was although they put in these measures, particularly the eu want did not contain explicit conditions that would lead to the lifting. it spoke about imposing costs for the aggression but it was not entirely clear. 0bviously costs for the aggression but it was not entirely clear. obviously there is a diplomatic invention to that but it makes it more difficult to see them as an incentive to change behaviour because it's not entirely clear from this moment, behaviour because it's not entirely clearfrom this moment, at least, what the russians would have to change to get them lifted. nicholas mulder, thank you so much forjoining us. the united nations security council is preparnig to hold a rare special session of the general assembly in the next hour. 0ur correspondent in washington — duncan kennedy has more details. well, this is an extremely rare event. it'll only be the 11th time in 72 years that the general assembly will have held an emergency session.